mirror of
https://git.selfprivacy.org/kherel/selfprivacy.org.app.git
synced 2024-11-11 03:03:18 +00:00
458 lines
14 KiB
Dart
458 lines
14 KiB
Dart
part of '../server_details_screen.dart';
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class _Chart extends StatelessWidget {
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@override
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Widget build(final BuildContext context) {
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final MetricsCubit cubit = context.watch<MetricsCubit>();
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final Period period = cubit.state.period;
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final MetricsState state = cubit.state;
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List<Widget> charts;
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List<Color> getGraphColors(final BuildContext context, final int length) {
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final colors = [
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Theme.of(context).colorScheme.primary,
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Theme.of(context).colorScheme.tertiary,
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Theme.of(context).colorScheme.secondary,
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...harmonizedBasicColors(context),
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];
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if (length <= colors.length) {
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return colors.sublist(0, length);
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} else {
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return List.generate(
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length,
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(final index) => colors[index % colors.length],
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);
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}
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}
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if (state is MetricsLoaded || state is MetricsLoading) {
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charts = [
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FilledCard(
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clipped: false,
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'resource_chart.cpu_title'.tr(),
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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const SizedBox(height: 16),
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Stack(
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alignment: Alignment.center,
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children: [
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if (state is MetricsLoaded) getCpuChart(state),
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AnimatedOpacity(
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duration: const Duration(milliseconds: 200),
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opacity: state is MetricsLoading ? 1 : 0,
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child: const _GraphLoadingCardContent(),
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),
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],
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),
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],
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),
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),
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),
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const SizedBox(height: 8),
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if (!(state is MetricsLoaded && state.memoryMetrics == null))
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FilledCard(
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clipped: false,
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'resource_chart.memory'.tr(),
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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const SizedBox(height: 16),
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Stack(
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alignment: Alignment.center,
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children: [
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if (state is MetricsLoaded && state.memoryMetrics != null)
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getMemoryChart(state),
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AnimatedOpacity(
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duration: const Duration(milliseconds: 200),
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opacity: state is MetricsLoading ? 1 : 0,
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child: const _GraphLoadingCardContent(),
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),
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],
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),
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const Divider(),
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ListTile(
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title: Text('resource_chart.view_usage_by_service'.tr()),
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leading: Icon(
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Icons.area_chart_outlined,
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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onTap: () {
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context.pushRoute(
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const MemoryUsageByServiceRoute(),
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);
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},
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enabled: state is MetricsLoaded,
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),
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],
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),
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),
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),
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const SizedBox(height: 8),
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FilledCard(
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clipped: false,
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisSize: MainAxisSize.max,
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Flexible(
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child: Text(
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'resource_chart.network_title'.tr(),
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style:
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Theme.of(context).textTheme.titleMedium?.copyWith(
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color: Theme.of(context)
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.colorScheme
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.onSurfaceVariant,
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),
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),
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),
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Flexible(
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fit: FlexFit.loose,
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child: Wrap(
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spacing: 8.0,
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runSpacing: 8.0,
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alignment: WrapAlignment.end,
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runAlignment: WrapAlignment.end,
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children: [
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Legend(
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color: Theme.of(context).colorScheme.primary,
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text: 'resource_chart.in'.tr(),
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),
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Legend(
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color: Theme.of(context).colorScheme.tertiary,
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text: 'resource_chart.out'.tr(),
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),
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],
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),
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),
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],
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),
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const SizedBox(height: 20),
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Stack(
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alignment: Alignment.center,
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children: [
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if (state is MetricsLoaded) getBandwidthChart(state),
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AnimatedOpacity(
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duration: const Duration(milliseconds: 200),
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opacity: state is MetricsLoading ? 1 : 0,
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child: const _GraphLoadingCardContent(),
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),
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],
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),
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],
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),
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),
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),
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const SizedBox(height: 8),
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if (!(state is MetricsLoaded && state.diskMetrics == null))
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Builder(
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builder: (final context) {
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List<DiskGraphData> getDisksGraphData(
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final BuildContext context,
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) {
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if (state is! MetricsLoaded) {
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return [];
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}
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final diskData = state.diskMetrics?.diskMetrics;
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if (diskData == null) {
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return [];
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}
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final List<DiskGraphData> res = [];
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final colors = getGraphColors(context, diskData.keys.length);
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for (final entry in diskData.entries) {
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res.add(
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DiskGraphData(
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volume: context
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.read<VolumesBloc>()
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.state
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.getVolume(entry.key.split('/').last),
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color: colors[diskData.keys.toList().indexOf(entry.key)],
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diskData: entry.value,
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originalId: entry.key,
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),
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);
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}
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return res;
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}
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final disksGraphData = getDisksGraphData(context);
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return FilledCard(
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clipped: false,
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisSize: MainAxisSize.max,
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Flexible(
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child: Text(
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'resource_chart.disk_title'.tr(),
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style: Theme.of(context)
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.textTheme
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.titleMedium
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?.copyWith(
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color: Theme.of(context)
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.colorScheme
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.onSurfaceVariant,
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),
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),
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),
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Flexible(
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fit: FlexFit.loose,
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child: Wrap(
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spacing: 8.0,
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runSpacing: 8.0,
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alignment: WrapAlignment.end,
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runAlignment: WrapAlignment.end,
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children: disksGraphData
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.map<Widget>(
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(final disk) => Legend(
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color: disk.color,
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text: disk.volume.displayName,
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),
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)
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.toList(),
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),
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),
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],
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),
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const SizedBox(height: 20),
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Stack(
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alignment: Alignment.center,
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children: [
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if (state is MetricsLoaded &&
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state.diskMetrics != null)
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getDiskChart(state, disksGraphData),
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AnimatedOpacity(
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duration: const Duration(milliseconds: 200),
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opacity: state is MetricsLoading ? 1 : 0,
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child: const _GraphLoadingCardContent(),
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),
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],
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),
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],
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),
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),
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);
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},
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),
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];
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} else if (state is MetricsUnsupported) {
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charts = [
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FilledCard(
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clipped: false,
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'resource_chart.unsupported'.tr(),
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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],
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),
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),
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),
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];
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} else {
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throw 'wrong state';
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}
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return Column(
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children: [
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if (state is! MetricsUnsupported)
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SegmentedButtons(
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isSelected: [
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period == Period.month,
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period == Period.day,
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period == Period.hour,
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],
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onPressed: (final index) {
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switch (index) {
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case 0:
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cubit.changePeriod(Period.month);
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break;
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case 1:
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cubit.changePeriod(Period.day);
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break;
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case 2:
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cubit.changePeriod(Period.hour);
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break;
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}
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},
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titles: [
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'resource_chart.month'.tr(),
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'resource_chart.day'.tr(),
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'resource_chart.hour'.tr(),
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],
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),
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const SizedBox(height: 8),
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...charts,
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],
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);
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}
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Widget getCpuChart(final MetricsLoaded state) {
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final data = state.metrics.cpu;
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return SizedBox(
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height: 200,
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child: CpuChart(
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data: data,
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period: state.period,
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start: state.metrics.start,
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),
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);
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}
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Widget getMemoryChart(final MetricsLoaded state) {
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final data = state.memoryMetrics;
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if (data == null) {
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return const SizedBox();
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}
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return SizedBox(
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height: 200,
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child: MemoryChart(
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data: data.overallMetrics,
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period: state.period,
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start: state.metrics.start,
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),
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);
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}
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Widget getBandwidthChart(final MetricsLoaded state) {
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final ppsIn = state.metrics.bandwidthIn;
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final ppsOut = state.metrics.bandwidthOut;
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return SizedBox(
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height: 200,
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child: NetworkChart(
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listData: [ppsIn, ppsOut],
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period: state.period,
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start: state.metrics.start,
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),
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);
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}
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}
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Widget getDiskChart(
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final MetricsLoaded state,
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final List<DiskGraphData> diskData,
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) {
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final data = state.diskMetrics;
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if (data == null) {
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return const SizedBox();
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}
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return SizedBox(
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height: 200,
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child: DiskChart(
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diskData: diskData,
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period: state.period,
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start: state.metrics.start,
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),
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);
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}
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class _GraphLoadingCardContent extends StatelessWidget {
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const _GraphLoadingCardContent();
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@override
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Widget build(final BuildContext context) => const SizedBox(
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height: 200,
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child: Center(child: CircularProgressIndicator.adaptive()),
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);
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}
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class Legend extends StatelessWidget {
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const Legend({
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required this.color,
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required this.text,
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super.key,
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});
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final String text;
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final Color color;
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@override
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Widget build(final BuildContext context) => Row(
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mainAxisAlignment: MainAxisAlignment.end,
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mainAxisSize: MainAxisSize.min,
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children: [
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_ColoredBox(color: color),
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const SizedBox(width: 5),
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Text(
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text,
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style: Theme.of(context).textTheme.labelSmall,
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),
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],
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);
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}
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class _ColoredBox extends StatelessWidget {
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const _ColoredBox({
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required this.color,
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});
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final Color color;
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@override
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Widget build(final BuildContext context) => Container(
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width: 10,
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height: 10,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(5),
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color: color.withOpacity(0.4),
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border: Border.all(
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color: color,
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width: 1.5,
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),
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),
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);
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}
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class DiskGraphData {
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DiskGraphData({
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required this.volume,
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required this.color,
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required this.diskData,
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required this.originalId,
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});
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final DiskVolume volume;
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final Color color;
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final List<TimeSeriesData> diskData;
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final String originalId;
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}
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